Home / 97,029,101.20-145,545,984.60-28,874,016.40

Finding the Fourth Proportional to 97,029,101.20, 145,545,984.60 and 28,874,016.40

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Solution

The fourth proportional to 97,029,101.20, 145,545,984.60 and 28,874,016.40 is: 43,311,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,029,101.20 : 145,545,984.60 = 28,874,016.40 : x
  2. Step 2: Convert to fraction form
    97,029,101.20/145,545,984.60 = 28,874,016.40/x
  3. Step 3: Cross multiply
    97,029,101.20x = 145,545,984.60 × 28,874,016.40
  4. Step 4: Simplify right side
    97,029,101.20x = 4,202,497,146,294,547
  5. Step 5: Solve for x
    x = 4,202,497,146,294,547/97,029,101.20
  6. Step 6: Final answer
    x = 43,311,718.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.